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Designed, Produced, and maintained (Edition 10, March 2019) by 

Bhavani Shankar Kodali MD

Trend Capnogram

Physiology of Capnography

Bhavani Shankar Kodali MD

 

Fast or Regular Capnogram

A Trend Capnogram

Fastcapno.gif trend.gif
 
 
A time capnogram may be recorded at two speeds. A high speed capnogram (about 7mm.sec-1) gives detailed information about each breath whereas the overall CO2 changes (trend) can be followed at a slow (about 0.7 mm.sec-1) speed.1
 
Reference:
 
1.Bhavani Shankar K, Moseley H, Kumar AY, Delph Y. Capnometry and anaesthesia. Can J Anaesth 1992;39:6:617-32.
 
 
 
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